71968143

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 113372160

約数和(自身を除く): 41404017

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 169, 241, 247, 403, 507, 589, 723, 741, 1209, 1767, 3133, 3211, 4579, 5239, 7471, 7657, 9399, 9633, 13737, 15717, 22413, 22971, 40729, 59527, 97123, 99541, 122187, 141949, 178581, 291369, 298623, 425847, 773851, 1262599, 1845337, 2321553, 3787797, 5536011, 23989381, 71968143]

約数ペア:

[(1, 71968143), (3, 23989381), (13, 5536011), (19, 3787797), (31, 2321553), (39, 1845337), (57, 1262599), (93, 773851), (169, 425847), (241, 298623), (247, 291369), (403, 178581), (507, 141949), (589, 122187), (723, 99541), (741, 97123), (1209, 59527), (1767, 40729), (3133, 22971), (3211, 22413), (4579, 15717), (5239, 13737), (7471, 9633), (7657, 9399)]